catalytic system for the synthesis of various organic amines catalyzed by the water‐soluble and air‐stable (pentamethylcyclopentadienyl)‐iridium‐ammine iod‐ ide complex, [Cp*Ir(NH3)3][I]2 (Cp*=pentamethylcyclopentadienyl), has been developed. A wide variety of secondary and tertiary amines were synthesized by the N‐alkylation reactions of theoretical equivalents of amines with alcohols in water under
Indole and indazole derivatives, for the treatment and prophylaxis of cerebral disorders, their preparation and their use
申请人:SANKYO COMPANY LIMITED
公开号:EP0562832A1
公开(公告)日:1993-09-29
Compounds of formula (I) :
[in which R¹ and R² are each hydrogen or various organic groups, p is 0, 1, 2 or 3, U is -CO- or -CH(OR³)- where R³ is hydrogen or a hydroxy-protecting group, V is an optionally unsaturated aliphatic hydrocarbon group and W is a nitrogen-containing group] are useful in the treatment and prophylaxis of dementia especially of the Alzheimer's type.
AMINO-ETHYL-AMINO-ARYL (AEAA) COMPOUNDS AND THEIR USE
申请人:Raynham Tony Michael
公开号:US20090247519A1
公开(公告)日:2009-10-01
The present invention pertains generally to the field of therapeutic compounds, and more specifically to certain amino-ethyl-amino-aryl (AEAA) compounds which, inter alia, inhibit protein kinase D (PKD) (e.g., PKD1, PKD2, PKD3). The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit PKD, and in the treatment of diseases and conditions that are mediated by PKD, that are ameliorated by the inhibition of PKD, etc., including proliferative conditions such as cancer, etc.
2-pyridyl ketones (5-c) and ethyl cyclopropylmethlenepyruvate (14) have been subjected to reduction by l,4-dihydropyridines [3,5-diethoxycarbonyl-2,6-dimethyl-l,4-dihydropyridine (2) and/or 1-benzyl-1,4-dihydronicotinamide (7)]in the presence of magnesium ions, and by tin hydrides. The reactions with 1,4-dihydropyridines do not involve cleavage of the three-membered ring in the reduction step. The
The catalyzed N-alkylation of alcohols and amines in proticsolvents under mild conditions was investigated using simple NHC complexes developed by our group. We achieved the synthesis of various alkylamines under mild conditions, such as 40–60 °C, using iridium complexes bearing NHC ligands with simple structures and proticsolvents such as 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropanol